[INFO] cloning repository https://github.com/LiangrunDa/bft-crdt-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LiangrunDa/bft-crdt-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiangrunDa%2Fbft-crdt-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiangrunDa%2Fbft-crdt-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9391d76cc98155e0731c2aefdb0be625ab5c9499
[INFO] testing LiangrunDa/bft-crdt-rs against try#b8e88e5ddf5521a9f43ee3f62a702388c713e4bb for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiangrunDa%2Fbft-crdt-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LiangrunDa/bft-crdt-rs
[INFO] finished tweaking git repo https://github.com/LiangrunDa/bft-crdt-rs
[INFO] tweaked toml for git repo https://github.com/LiangrunDa/bft-crdt-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LiangrunDa/bft-crdt-rs on toolchain b8e88e5ddf5521a9f43ee3f62a702388c713e4bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LiangrunDa/bft-crdt-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a732a68c2119cbab382a6f50d06dbfe3c9e664de344d35234c12b2ce576da68f
[INFO] running `Command { std: "docker" "start" "-a" "a732a68c2119cbab382a6f50d06dbfe3c9e664de344d35234c12b2ce576da68f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a732a68c2119cbab382a6f50d06dbfe3c9e664de344d35234c12b2ce576da68f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a732a68c2119cbab382a6f50d06dbfe3c9e664de344d35234c12b2ce576da68f", kill_on_drop: false }`
[INFO] [stdout] a732a68c2119cbab382a6f50d06dbfe3c9e664de344d35234c12b2ce576da68f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c50ec7b1b4dbca7a095324f0df970914e468c24523e2e2312e7d2a4d401803db
[INFO] running `Command { std: "docker" "start" "-a" "c50ec7b1b4dbca7a095324f0df970914e468c24523e2e2312e7d2a4d401803db", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
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[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling pin-project-internal v1.1.8
[INFO] [stderr]    Compiling async-trait v0.1.85
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling clap_derive v4.5.24
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling prost v0.11.9
[INFO] [stderr]    Compiling pin-project v1.1.8
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling prost-types v0.11.9
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling clap v4.5.26
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling prost-build v0.11.9
[INFO] [stderr]    Compiling crdts v0.1.0 (/opt/rustwide/workdir/crdts)
[INFO] [stdout] warning: unused import: `rand::rngs::StdRng`
[INFO] [stdout]   --> crdts/src/bft_crdts/bft_crdt.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand::rngs::StdRng;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tracing-appender v0.2.3
[INFO] [stdout] warning: unused variable: `v2`
[INFO] [stdout]    --> crdts/src/bft_crdts/bft_rga.rs:170:45
[INFO] [stdout]     |
[INFO] [stdout] 170 |                     if let BFTRGAOp::Insert(v2, i2, ei2) = &n.value {
[INFO] [stdout]     |                                             ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ei2`
[INFO] [stdout]    --> crdts/src/bft_crdts/bft_rga.rs:170:53
[INFO] [stdout]     |
[INFO] [stdout] 170 |                     if let BFTRGAOp::Insert(v2, i2, ei2) = &n.value {
[INFO] [stdout]     |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_ei2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_by_id`, `delete_by_idx`, and `find_first_handle_by_id_ref` are never used
[INFO] [stdout]    --> crdts/src/crdts/hashed_ordered_list.rs:78:12
[INFO] [stdout]     |
[INFO] [stdout]  27 | / impl<I, V> OrderedList<I, V>
[INFO] [stdout]  28 | | where
[INFO] [stdout]  29 | |     I: PartialEq + Eq + Hash + Clone + PartialOrd,
[INFO] [stdout]  30 | |     V: PartialEq + Eq + Hash + Clone,
[INFO] [stdout]     | |_____________________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  78 |       pub fn get_by_id(&self, id: I) -> Option<Element<I, V>> {
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  99 |       pub fn delete_by_idx(&mut self, idx: usize) -> Option<()> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |       fn find_first_handle_by_id_ref(&self, id: &I) -> Option<usize> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_ancestor_recurse` and `is_ancestor_dfs` are never used
[INFO] [stdout]    --> crdts/src/bft_crdts/hash_graph.rs:170:8
[INFO] [stdout]     |
[INFO] [stdout]  74 | impl<T: Serialize + Clone> HashGraph<T> {
[INFO] [stdout]     | --------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 170 |     fn is_ancestor_recurse(&self, ancestor: &HashType, descendant: &Node<T>, visited: &mut AHashSet<HashType>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 204 |     fn is_ancestor_dfs(&self, ancestor: &HashType, descendant: &Node<T>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crdts/src/crdts/linked_list.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crdts/src/crdts/linked_list.rs:194:21
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crdts/src/crdts/linked_list.rs:203:23
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn cursor_mut(&mut self) -> CursorMut<T> {
[INFO] [stdout]     |                       ^^^^^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn cursor_mut(&mut self) -> CursorMut<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tonic-build v0.9.2
[INFO] [stderr]    Compiling protocol v0.1.0 (/opt/rustwide/workdir/protocol)
[INFO] [stderr]    Compiling tokio-util v0.7.13
[INFO] [stderr]    Compiling tokio-io-timeout v1.2.0
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling h2 v0.3.26
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling tracing-bunyan-formatter v0.3.10
[INFO] [stderr]    Compiling comparison v0.1.0 (/opt/rustwide/workdir/comparison)
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]   --> comparison/src/orset.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     for run in 0..num_runs {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]   --> comparison/src/orset.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     for run in 0..num_runs {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> comparison/src/orset.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |         for i in 0..num_ops {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> comparison/src/orset.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let mut bft_orset = BFTORSet::new();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]    --> comparison/src/orset.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     for run in 0..num_runs {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]    --> comparison/src/orset.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     for run in 0..num_runs {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> comparison/src/rga.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut bft_rga = BFTRGA::new();
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]   --> comparison/src/rga.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     for run in 0..num_runs {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]   --> comparison/src/rga.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     for run in 0..num_runs {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> comparison/src/rga.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let mut bft_rga = BFTRGA::new();
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]    --> comparison/src/rga.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     for run in 0..num_runs {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]    --> comparison/src/rga.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |     for run in 0..num_runs {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:151:25
[INFO] [stdout]     |
[INFO] [stdout] 151 |                     for i in 0..buffer.len() {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:320:25
[INFO] [stdout]     |
[INFO] [stdout] 320 |                     for i in 0..buffer.len() {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `len`, `is_empty`, and `chars_to_bytes` are never used
[INFO] [stdout]   --> comparison/src/common.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl TestData {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 48 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn chars_to_bytes(&self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:112:29
[INFO] [stdout]     |
[INFO] [stdout] 112 | ...                   sender.send(msg);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 112 |                             let _ = sender.send(msg);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:402:5
[INFO] [stdout]     |
[INFO] [stdout] 402 |     handle1.join();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 402 |     let _ = handle1.join();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:403:5
[INFO] [stdout]     |
[INFO] [stdout] 403 |     handle2.join();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 403 |     let _ = handle2.join();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:431:5
[INFO] [stdout]     |
[INFO] [stdout] 431 |     bft_handle1.join();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 431 |     let _ = bft_handle1.join();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:432:5
[INFO] [stdout]     |
[INFO] [stdout] 432 |     bft_handle2.join();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 432 |     let _ = bft_handle2.join();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling hyper-timeout v0.4.1
[INFO] [stderr]    Compiling tonic v0.9.2
[INFO] [stderr]    Compiling tester v0.1.0 (/opt/rustwide/workdir/tester-server)
[INFO] [stderr]    Compiling tester-client v0.1.0 (/opt/rustwide/workdir/tester-client)
[INFO] [stdout] warning: unused import: `std::collections::LinkedList`
[INFO] [stdout]  --> tester-client/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::LinkedList;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 47s
[INFO] running `Command { std: "docker" "inspect" "c50ec7b1b4dbca7a095324f0df970914e468c24523e2e2312e7d2a4d401803db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c50ec7b1b4dbca7a095324f0df970914e468c24523e2e2312e7d2a4d401803db", kill_on_drop: false }`
[INFO] [stdout] c50ec7b1b4dbca7a095324f0df970914e468c24523e2e2312e7d2a4d401803db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc82df2bfdadc0766764c06534a6eb2b690107985c57dceac9072138a1dbf52c
[INFO] running `Command { std: "docker" "start" "-a" "fc82df2bfdadc0766764c06534a6eb2b690107985c57dceac9072138a1dbf52c", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stdout] warning: unused import: `rand::rngs::StdRng`
[INFO] [stdout]   --> crdts/src/bft_crdts/bft_crdt.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand::rngs::StdRng;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v2`
[INFO] [stdout]    --> crdts/src/bft_crdts/bft_rga.rs:170:45
[INFO] [stdout]     |
[INFO] [stdout] 170 |                     if let BFTRGAOp::Insert(v2, i2, ei2) = &n.value {
[INFO] [stdout]     |                                             ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ei2`
[INFO] [stdout]    --> crdts/src/bft_crdts/bft_rga.rs:170:53
[INFO] [stdout]     |
[INFO] [stdout] 170 |                     if let BFTRGAOp::Insert(v2, i2, ei2) = &n.value {
[INFO] [stdout]     |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_ei2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_by_id`, `delete_by_idx`, and `find_first_handle_by_id_ref` are never used
[INFO] [stdout]    --> crdts/src/crdts/hashed_ordered_list.rs:78:12
[INFO] [stdout]     |
[INFO] [stdout]  27 | / impl<I, V> OrderedList<I, V>
[INFO] [stdout]  28 | | where
[INFO] [stdout]  29 | |     I: PartialEq + Eq + Hash + Clone + PartialOrd,
[INFO] [stdout]  30 | |     V: PartialEq + Eq + Hash + Clone,
[INFO] [stdout]     | |_____________________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  78 |       pub fn get_by_id(&self, id: I) -> Option<Element<I, V>> {
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  99 |       pub fn delete_by_idx(&mut self, idx: usize) -> Option<()> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |       fn find_first_handle_by_id_ref(&self, id: &I) -> Option<usize> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_ancestor_recurse` and `is_ancestor_dfs` are never used
[INFO] [stdout]    --> crdts/src/bft_crdts/hash_graph.rs:170:8
[INFO] [stdout]     |
[INFO] [stdout]  74 | impl<T: Serialize + Clone> HashGraph<T> {
[INFO] [stdout]     | --------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 170 |     fn is_ancestor_recurse(&self, ancestor: &HashType, descendant: &Node<T>, visited: &mut AHashSet<HashType>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 204 |     fn is_ancestor_dfs(&self, ancestor: &HashType, descendant: &Node<T>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crdts/src/crdts/linked_list.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crdts/src/crdts/linked_list.rs:194:21
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crdts/src/crdts/linked_list.rs:203:23
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn cursor_mut(&mut self) -> CursorMut<T> {
[INFO] [stdout]     |                       ^^^^^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn cursor_mut(&mut self) -> CursorMut<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling comparison v0.1.0 (/opt/rustwide/workdir/comparison)
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]   --> comparison/src/orset.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     for run in 0..num_runs {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]   --> comparison/src/orset.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     for run in 0..num_runs {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> comparison/src/orset.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |         for i in 0..num_ops {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> comparison/src/orset.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let mut bft_orset = BFTORSet::new();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]    --> comparison/src/orset.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     for run in 0..num_runs {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]    --> comparison/src/orset.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     for run in 0..num_runs {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> comparison/src/rga.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut bft_rga = BFTRGA::new();
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]   --> comparison/src/rga.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     for run in 0..num_runs {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]   --> comparison/src/rga.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     for run in 0..num_runs {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> comparison/src/rga.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let mut bft_rga = BFTRGA::new();
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]    --> comparison/src/rga.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     for run in 0..num_runs {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]    --> comparison/src/rga.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |     for run in 0..num_runs {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:151:25
[INFO] [stdout]     |
[INFO] [stdout] 151 |                     for i in 0..buffer.len() {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:320:25
[INFO] [stdout]     |
[INFO] [stdout] 320 |                     for i in 0..buffer.len() {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `len`, `is_empty`, and `chars_to_bytes` are never used
[INFO] [stdout]   --> comparison/src/common.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl TestData {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 48 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn chars_to_bytes(&self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:112:29
[INFO] [stdout]     |
[INFO] [stdout] 112 | ...                   sender.send(msg);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 112 |                             let _ = sender.send(msg);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:402:5
[INFO] [stdout]     |
[INFO] [stdout] 402 |     handle1.join();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 402 |     let _ = handle1.join();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:403:5
[INFO] [stdout]     |
[INFO] [stdout] 403 |     handle2.join();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 403 |     let _ = handle2.join();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:431:5
[INFO] [stdout]     |
[INFO] [stdout] 431 |     bft_handle1.join();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 431 |     let _ = bft_handle1.join();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:432:5
[INFO] [stdout]     |
[INFO] [stdout] 432 |     bft_handle2.join();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 432 |     let _ = bft_handle2.join();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling prost v0.11.9
[INFO] [stderr]    Compiling prost-types v0.11.9
[INFO] [stderr]    Compiling tonic v0.9.2
[INFO] [stderr]    Compiling prost-build v0.11.9
[INFO] [stderr]    Compiling tonic-build v0.9.2
[INFO] [stderr]    Compiling protocol v0.1.0 (/opt/rustwide/workdir/protocol)
[INFO] [stderr]    Compiling crdts v0.1.0 (/opt/rustwide/workdir/crdts)
[INFO] [stdout] warning: unused import: `rand::rngs::StdRng`
[INFO] [stdout]   --> crdts/src/bft_crdts/bft_crdt.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand::rngs::StdRng;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v2`
[INFO] [stdout]    --> crdts/src/bft_crdts/bft_rga.rs:170:45
[INFO] [stdout]     |
[INFO] [stdout] 170 |                     if let BFTRGAOp::Insert(v2, i2, ei2) = &n.value {
[INFO] [stdout]     |                                             ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ei2`
[INFO] [stdout]    --> crdts/src/bft_crdts/bft_rga.rs:170:53
[INFO] [stdout]     |
[INFO] [stdout] 170 |                     if let BFTRGAOp::Insert(v2, i2, ei2) = &n.value {
[INFO] [stdout]     |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_ei2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tester v0.1.0 (/opt/rustwide/workdir/tester-server)
[INFO] [stderr]    Compiling tester-client v0.1.0 (/opt/rustwide/workdir/tester-client)
[INFO] [stdout] warning: methods `get_by_id`, `delete_by_idx`, and `find_first_handle_by_id_ref` are never used
[INFO] [stdout]    --> crdts/src/crdts/hashed_ordered_list.rs:78:12
[INFO] [stdout]     |
[INFO] [stdout]  27 | / impl<I, V> OrderedList<I, V>
[INFO] [stdout]  28 | | where
[INFO] [stdout]  29 | |     I: PartialEq + Eq + Hash + Clone + PartialOrd,
[INFO] [stdout]  30 | |     V: PartialEq + Eq + Hash + Clone,
[INFO] [stdout]     | |_____________________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  78 |       pub fn get_by_id(&self, id: I) -> Option<Element<I, V>> {
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  99 |       pub fn delete_by_idx(&mut self, idx: usize) -> Option<()> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |       fn find_first_handle_by_id_ref(&self, id: &I) -> Option<usize> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_ancestor_recurse` and `is_ancestor_dfs` are never used
[INFO] [stdout]    --> crdts/src/bft_crdts/hash_graph.rs:170:8
[INFO] [stdout]     |
[INFO] [stdout]  74 | impl<T: Serialize + Clone> HashGraph<T> {
[INFO] [stdout]     | --------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 170 |     fn is_ancestor_recurse(&self, ancestor: &HashType, descendant: &Node<T>, visited: &mut AHashSet<HashType>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 204 |     fn is_ancestor_dfs(&self, ancestor: &HashType, descendant: &Node<T>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crdts/src/crdts/linked_list.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crdts/src/crdts/linked_list.rs:194:21
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crdts/src/crdts/linked_list.rs:203:23
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn cursor_mut(&mut self) -> CursorMut<T> {
[INFO] [stdout]     |                       ^^^^^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn cursor_mut(&mut self) -> CursorMut<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::LinkedList`
[INFO] [stdout]  --> tester-client/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::LinkedList;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 25.20s
[INFO] running `Command { std: "docker" "inspect" "fc82df2bfdadc0766764c06534a6eb2b690107985c57dceac9072138a1dbf52c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc82df2bfdadc0766764c06534a6eb2b690107985c57dceac9072138a1dbf52c", kill_on_drop: false }`
[INFO] [stdout] fc82df2bfdadc0766764c06534a6eb2b690107985c57dceac9072138a1dbf52c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8273919c4d65d7146293c4677d688e9f8de070e4d6332336baee10c83b37c95e
[INFO] running `Command { std: "docker" "start" "-a" "8273919c4d65d7146293c4677d688e9f8de070e4d6332336baee10c83b37c95e", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: unused import: `rand::rngs::StdRng`
[INFO] [stderr]   --> crdts/src/bft_crdts/bft_crdt.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use rand::rngs::StdRng;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v2`
[INFO] [stderr]    --> crdts/src/bft_crdts/bft_rga.rs:170:45
[INFO] [stderr]     |
[INFO] [stderr] 170 |                     if let BFTRGAOp::Insert(v2, i2, ei2) = &n.value {
[INFO] [stderr]     |                                             ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ei2`
[INFO] [stderr]    --> crdts/src/bft_crdts/bft_rga.rs:170:53
[INFO] [stderr]     |
[INFO] [stderr] 170 |                     if let BFTRGAOp::Insert(v2, i2, ei2) = &n.value {
[INFO] [stderr]     |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_ei2`
[INFO] [stderr] 
[INFO] [stderr] warning: methods `get_by_id`, `delete_by_idx`, and `find_first_handle_by_id_ref` are never used
[INFO] [stderr]    --> crdts/src/crdts/hashed_ordered_list.rs:78:12
[INFO] [stderr]     |
[INFO] [stderr]  27 | / impl<I, V> OrderedList<I, V>
[INFO] [stderr]  28 | | where
[INFO] [stderr]  29 | |     I: PartialEq + Eq + Hash + Clone + PartialOrd,
[INFO] [stderr]  30 | |     V: PartialEq + Eq + Hash + Clone,
[INFO] [stderr]     | |_____________________________________- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  78 |       pub fn get_by_id(&self, id: I) -> Option<Element<I, V>> {
[INFO] [stderr]     |              ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  99 |       pub fn delete_by_idx(&mut self, idx: usize) -> Option<()> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 148 |       fn find_first_handle_by_id_ref(&self, id: &I) -> Option<usize> {
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `is_ancestor_recurse` and `is_ancestor_dfs` are never used
[INFO] [stderr]    --> crdts/src/bft_crdts/hash_graph.rs:170:8
[INFO] [stderr]     |
[INFO] [stderr]  74 | impl<T: Serialize + Clone> HashGraph<T> {
[INFO] [stderr]     | --------------------------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 170 |     fn is_ancestor_recurse(&self, ancestor: &HashType, descendant: &Node<T>, visited: &mut AHashSet<HashType>) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 204 |     fn is_ancestor_dfs(&self, ancestor: &HashType, descendant: &Node<T>) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> crdts/src/crdts/linked_list.rs:185:17
[INFO] [stderr]     |
[INFO] [stderr] 185 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stderr]     |                 ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 185 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> crdts/src/crdts/linked_list.rs:194:21
[INFO] [stderr]     |
[INFO] [stderr] 194 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stderr]     |                     ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 194 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stderr]     |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> crdts/src/crdts/linked_list.rs:203:23
[INFO] [stderr]     |
[INFO] [stderr] 203 |     pub fn cursor_mut(&mut self) -> CursorMut<T> {
[INFO] [stderr]     |                       ^^^^^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 203 |     pub fn cursor_mut(&mut self) -> CursorMut<'_, T> {
[INFO] [stderr]     |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: `crdts` (lib) generated 8 warnings (run `cargo fix --lib -p crdts` to apply 6 suggestions)
[INFO] [stderr] warning: unused import: `std::collections::LinkedList`
[INFO] [stderr]  --> tester-client/src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::collections::LinkedList;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tester-client` (bin "tester-client" test) generated 1 warning (run `cargo fix --bin "tester-client" -p tester-client --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused variable: `run`
[INFO] [stderr]   --> comparison/src/orset.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     for run in 0..num_runs {
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `run`
[INFO] [stderr]   --> comparison/src/orset.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |     for run in 0..num_runs {
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> comparison/src/orset.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |         for i in 0..num_ops {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> comparison/src/orset.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 124 |         let mut bft_orset = BFTORSet::new();
[INFO] [stderr]     |             ----^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `run`
[INFO] [stderr]    --> comparison/src/orset.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |     for run in 0..num_runs {
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `run`
[INFO] [stderr]    --> comparison/src/orset.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |     for run in 0..num_runs {
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> comparison/src/rga.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let mut bft_rga = BFTRGA::new();
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `run`
[INFO] [stderr]   --> comparison/src/rga.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     for run in 0..num_runs {
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `run`
[INFO] [stderr]   --> comparison/src/rga.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |     for run in 0..num_runs {
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> comparison/src/rga.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 126 |         let mut bft_rga = BFTRGA::new();
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `run`
[INFO] [stderr]    --> comparison/src/rga.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |     for run in 0..num_runs {
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `run`
[INFO] [stderr]    --> comparison/src/rga.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |     for run in 0..num_runs {
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> comparison/src/concurrent_edit.rs:151:25
[INFO] [stderr]     |
[INFO] [stderr] 151 |                     for i in 0..buffer.len() {
[INFO] [stderr]     |                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> comparison/src/concurrent_edit.rs:320:25
[INFO] [stderr]     |
[INFO] [stderr] 320 |                     for i in 0..buffer.len() {
[INFO] [stderr]     |                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: methods `len`, `is_empty`, and `chars_to_bytes` are never used
[INFO] [stderr]   --> comparison/src/common.rs:48:12
[INFO] [stderr]    |
[INFO] [stderr] 47 | impl TestData {
[INFO] [stderr]    | ------------- methods in this implementation
[INFO] [stderr] 48 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 54 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 60 |     pub fn chars_to_bytes(&self) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> comparison/src/concurrent_edit.rs:112:29
[INFO] [stderr]     |
[INFO] [stderr] 112 | ...                   sender.send(msg);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 112 |                             let _ = sender.send(msg);
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> comparison/src/concurrent_edit.rs:402:5
[INFO] [stderr]     |
[INFO] [stderr] 402 |     handle1.join();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 402 |     let _ = handle1.join();
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> comparison/src/concurrent_edit.rs:403:5
[INFO] [stderr]     |
[INFO] [stderr] 403 |     handle2.join();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 403 |     let _ = handle2.join();
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> comparison/src/concurrent_edit.rs:431:5
[INFO] [stderr]     |
[INFO] [stderr] 431 |     bft_handle1.join();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 431 |     let _ = bft_handle1.join();
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> comparison/src/concurrent_edit.rs:432:5
[INFO] [stderr]     |
[INFO] [stderr] 432 |     bft_handle2.join();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 432 |     let _ = bft_handle2.join();
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `crdts` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr] warning: `comparison` (bin "comparison" test) generated 20 warnings (run `cargo fix --bin "comparison" -p comparison --tests` to apply 14 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/comparison-88dfa5cdf4d33503)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/crdts-28ab3027f5b22eb6)
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test bft_crdts::hash_graph::tests::test_add_multiple_nodes ... ok
[INFO] [stdout] test bft_crdts::bft_crdt::tests::test_bft_rga_handler ... ok
[INFO] [stdout] test crdts::hashed_ordered_list::tests::concurrent_insert_delete_commute ... ok
[INFO] [stdout] test crdts::hashed_ordered_list::tests::test_delete ... ok
[INFO] [stdout] test bft_crdts::hash_graph::tests::test_add_node ... ok
[INFO] [stdout] test crdts::hashed_ordered_list::tests::test_insert_at_the_same_position ... ok
[INFO] [stdout] test crdts::hashed_ordered_list::tests::concurrent_delete_commute ... ok
[INFO] [stdout] test bft_crdts::bft_crdt::tests::test_bft_orset_handler ... ok
[INFO] [stdout] test crdts::linked_list::test::test_basic_front ... ok
[INFO] [stdout] test crdts::hashed_ordered_list::tests::test_insert ... ok
[INFO] [stdout] test crdts::linked_list::test::test_cursor_move_peek ... ok
[INFO] [stdout] test crdts::linked_list::test::test_cursor_mut_insert ... ok
[INFO] [stdout] test crdts::linked_list::test::test_debug ... ok
[INFO] [stdout] test crdts::linked_list::test::test_hashmap ... ok
[INFO] [stdout] test crdts::linked_list::test::test_iterator ... ok
[INFO] [stdout] test crdts::linked_list::test::test_ord ... ok
[INFO] [stdout] test crdts::linked_list::test::test_iterator_double_end ... ok
[INFO] [stdout] test crdts::linked_list::test::test_rev_iter ... ok
[INFO] [stdout] test crdts::linked_list::test::test_mut_iter ... ok
[INFO] [stdout] test crdts::linked_list::test::test_eq ... ok
[INFO] [stdout] test crdts::ordered_list::tests::concurrent_insert_commute ... ok
[INFO] [stdout] test crdts::ordered_list::tests::test_insert ... ok
[INFO] [stdout] test crdts::ordered_list::tests::test_delete ... ok
[INFO] [stdout] test crdts::ordered_list::tests::test_insert_at_the_same_position ... ok
[INFO] [stdout] test crdts::rga::tests::test_insert_invalid ... ok
[INFO] [stdout] test crdts::linked_list::test::test_iterator_mut_double_end ... ok
[INFO] [stdout] test crdts::ordered_list::tests::concurrent_insert_delete_commute ... ok
[INFO] [stdout] test crdts::linked_list::test::test_ord_nan ... ok
[INFO] [stdout] test crdts::rga::tests::test_delete ... ok
[INFO] [stdout] test crdts::orset::tests::test_remove_not_in ... ok
[INFO] [stdout] test crdts::ordered_list::tests::concurrent_delete_commute ... ok
[INFO] [stdout] test crdts::linked_list::test::test_basic ... ok
[INFO] [stdout] test crdts::orset::tests::test_orset ... ok
[INFO] [stdout] test crdts::rga::tests::test_insert ... ok
[INFO] [stdout] test crdts::hashed_ordered_list::tests::concurrent_insert_commute ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/protocol-928eb5f7be409cca)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tester-0efda0dd6445526d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tester_client-7e74a8344b462d5b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests crdts
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test crdts/src/crdts/linked_list.rs - crdts::linked_list::assert_properties::iter_mut_invariant (line 790) - compile fail ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- crdts/src/crdts/linked_list.rs - crdts::linked_list::assert_properties::iter_mut_invariant (line 790) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `linked_list`
[INFO] [stdout]    --> crdts/src/crdts/linked_list.rs:791:5
[INFO] [stdout]     |
[INFO] [stdout] 791 | use linked_list::IterMut;
[INFO] [stdout]     |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `linked_list`
[INFO] [stdout]     |
[INFO] [stdout] help: to make use of source file crdts/src/crdts/linked_list.rs, use `mod linked_list` in this file to declare the module
[INFO] [stdout]     |
[INFO] [stdout] 790 + mod linked_list;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Some expected error codes were not found: ["E0308"]
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     crdts/src/crdts/linked_list.rs - crdts::linked_list::assert_properties::iter_mut_invariant (line 790)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `-p crdts --doc`
[INFO] running `Command { std: "docker" "inspect" "8273919c4d65d7146293c4677d688e9f8de070e4d6332336baee10c83b37c95e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8273919c4d65d7146293c4677d688e9f8de070e4d6332336baee10c83b37c95e", kill_on_drop: false }`
[INFO] [stdout] 8273919c4d65d7146293c4677d688e9f8de070e4d6332336baee10c83b37c95e
